Improvement in cooking-stoves



2 Sheets- Sheet 2..

LJ. PRATT 8v J. H. WLNI'WORTH.

`GQOKING sToVB.

.Na-110,282; Patented 1366.20, 1870'.

taunt Seite atmt effin;

JOSEPH PRATT AND JAMES H. WENTWORTH, OF BOSTON,

'- MASSACHUSETTS.

Letters Patent No. 110,282, dated December 20, 1870.

lMPROVEME-NT IN COOKING-STGVES.

The Schedule referred to ln these Letters Patent and maldng part of thelame.

lowing, when taken in connection with the accompanying drawing, is afull and exact specification.

The first part of our invention consists in a. removable hearth,convenient in shipping, with air-chambers' beneath, to prevent itsbecoming heated.

The second part of our invention relates to a waterfront, with a pipeleading tc it, and the arrangement for the reception of the pipe orpipes in the stove.

In the accompanying drawing- Figure 1 is a plan ot'a stove embodying ourinvention;

Figure 2 is a longitudinal section; and

Figure 3 is a cross-section of the same.

Figure 4 is a detached view of thepipes 1l, leading to the water-frontc, as fully described below.

Figure 5 shows the shape and position of afiue, described below, whenbehind the oven.

Figure isa view of the hearth, when detached from the stove. 4

a is a removable hearth, running in grooves, so that it can be readilyslippedoii' when the stove is shipped.

Under the hearth a are air-chambers b, through which, by means of theopenings n n'in the plate, and o in the hearth, a free circulation ofair is obtained.

By this process the hearth a is kept cool and comfortable to the touch.y

c is the water-front, placed before and forming the front part of thetire-pot.

ll d are pipes leading to the water-front c.

A pipe, d, can be placed Yupon either side of the stove, or may be takenout of the stove entirely without injuring its utility, as the holesthrough which the pipes d pass into the stove may be easily closed.

eeare projections, one 011 each side of the stove, f to accommodate thepipes d d.

This projection e is not prominent, and is nearly hidden by the plate ortop of the stove.

g g i t' are rines.

hA h is the plate or sheet separating them.

It is the damper.

\Vhen thedamper k is closed, (it is open in iig. 2,) the heat passesdown the fine y and up the flue t.

The sheet h h is so constructed that the great body of heat shall vbenear the jambs while the smallest quantity of heat is at the center ofthe oven m. This is on the principle that if the sides of the oven arewell heated the center will regulate itself.

This sheet h is of the same shape, and preserves the same relation tothe oven m, behind it,-that it does beneath it.

in our stove, viz:

A removable cool hearth.

Accommodation for pipes leading to the water-front wit-hout interferingwith the usual internal. arrangements of the stove.

Having thus fully described our invention,

lV hat we claim, and desire to secure by Letters Patent, is-

l. The arrangement ofthe removable hearth a with the air-chalnbers b, asand for the purposes hereinbefore set forth.

2. The projections ce, for the purpose of accommostantially asdescribed.

JOSEPH PRATT. JAS. H. WENTWORTH. Titnesses SAMUEL PIERCE, HENRY W.WILLIAMS.

Thus it will be seen that we have gained two points dating the pipes l lleading to the water-front c, sub-

